CN215005649U - Portable relay protection tester of wireless transmission - Google Patents
Portable relay protection tester of wireless transmission Download PDFInfo
- Publication number
- CN215005649U CN215005649U CN202120205773.9U CN202120205773U CN215005649U CN 215005649 U CN215005649 U CN 215005649U CN 202120205773 U CN202120205773 U CN 202120205773U CN 215005649 U CN215005649 U CN 215005649U
- Authority
- CN
- China
- Prior art keywords
- square
- relay protection
- side plate
- protection tester
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a wireless transmission portable relay protection tester, which relates to the technical field of relay protection testing, and the wireless transmission portable relay protection tester is of a cuboid structure in a storage state; when the tool box goes to a test place, the carrying of workers can be reduced by pulling the pull rod, meanwhile, relatively more test tools can be stored in the tool box, the labor capacity of the workers is reduced, and the tool box is more convenient to go out compared with a tool bag; after arriving the test site, fall down along pull rod one side, the relay protection tester can the level place, through dismantling one side and all lock hasps of handle, drive second square curb plate and square bottom plate outwards with the toolbox and open, like the external rotation with third square curb plate, find the testing tool who needs to use in the toolbox test can to the shortcoming that current relay protection tester is inconvenient to go out to carry has been solved.
Description
Technical Field
The utility model belongs to the technical field of relay protection surveys, especially, relate to a wireless transmission portable relay protection tester.
Background
The relay protection tester is a novel intelligent tester developed in the last decade, and the former relay protection test tool is mainly formed by combining a voltage regulator and a phase shifter, is heavy in size and low in precision, and cannot meet the relay protection calibration work of modern microcomputers. With the continuous development of science and technology, microcomputer relay protection is widely applied to various fields such as line protection, main transformer differential protection and excitation control, and comprehensive automation of a transformer substation becomes the mainstream. The relay protection tester must become the indispensable experimental instrument of modern relay protection staff.
When a relay protection worker goes to a transformer substation to test, the relay protection tester needs to be carried out, the relay protection tester is usually carried, the relay protection tester is not only carried, but also is also required to be a related tool, and the common relay protection tester is inconvenient to carry if the carried flow is far away, so that the relay protection tester which is suitable for outdoor wireless transmission and is convenient to carry is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wireless transmission portable relay protection tester to overcome the inconvenient shortcoming of going out to carry of current relay protection tester.
In order to achieve the above object, the utility model provides a wireless transmission portable relay protection tester, include:
a first square base plate;
the first square side plate is the same as the first square bottom plate in size, and one side of the first square side plate is rotatably connected with the left side of the first square bottom plate;
the second square side plate is the same as the first square bottom plate in size, and one side of the second square side plate is rotatably connected with the right side of the first square bottom plate;
the third square side plate has the same size as the first square bottom plate, one side of the third square side plate is rotatably connected with the front side edge of the first square bottom plate, and the first square side plate, the second square side plate, the third square side plate and the side edge of the first square bottom plate are rotated upwards together to form a frame body with an open top surface and a side surface or rotated downwards to be opened at the periphery;
the relay protection tester is arranged on the inner side of the first square side plate or the second square side plate and comprises a wireless module;
the tool box is arranged on the inner side of the second square side plate or the inner side of the first square side plate, and the relay protection tester and the tool box are only arranged on one square side plate, so that the relay protection tester and the tool box are contained in a frame formed by the first square side plate, the second square side plate, the third square side plate and the first square bottom plate;
at least two rollers are arranged at the bottom of the first square bottom plate;
the pull rod is arranged in or outside the square side plate where the relay protection tester is located;
the relay protection tester and the tool box are respectively locked on the third square side plate through at least one locking device; and
the handle, its handle that can dismantle, the one end of handle with the relay protection tester to the top of first square bottom plate is rotated the back, is located the side at top and is connected with the mode that can dismantle, the other end and the toolbox of handle to the top of first square bottom plate is rotated the back, is located the side at top and is connected with the mode that can dismantle.
Preferably, the tool box is a vertical drawer tool box or a horizontal drawer tool.
Preferably, the control panel of the relay protection tester is arranged on the side facing the third square side plate.
Preferably, the square bottom plate is provided with a first square bottom plate and a second square bottom plate, the first square bottom plate is provided with a first square bottom plate, and the second square bottom plate is provided with a second square bottom plate and a second square bottom plate.
Preferably, the support structure is arranged on the outer side of the first square side plate, the second square side plate or the third square side plate.
Preferably, a stationery case is arranged on the inner side of the first square bottom plate.
Preferably, the support structure is one of a support plate, a support post or an "I" shaped plate.
Preferably, the locking device adopts a lock hasp.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a wireless transmission portable relay protection tester, include: the wireless transmission portable relay protection tester is of a cuboid structure in a storage state, namely the locking device enables the relay protection tester to drive the first square side plate and the tool box to drive the second square side edge to be fixed with the third square side plate through the locking device; when the tool box goes to a test place, the carrying of workers can be reduced by pulling the pull rod, meanwhile, relatively more test tools can be stored in the tool box, the labor capacity of the workers is reduced, and the tool box is more convenient to go out compared with a tool bag; after arriving the test site, fall down along pull rod one side, the relay protection tester can the level place, through dismantling one side and all lock hasps of handle, drive second square curb plate and square bottom plate outwards with the toolbox and open, like the external rotation with third square curb plate, find the testing tool who needs to use in the toolbox test can to the shortcoming that current relay protection tester is inconvenient to go out to carry has been solved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only one embodiment of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the portable relay protection tester for wireless transmission of the present invention;
fig. 2 is a schematic structural diagram of one embodiment of the present invention;
wherein: 1. a first square base plate; 2. a first square side plate; 3. a second square side panel; 4. a third square side panel; 5. a relay protection tester; 6. a tool box; 7. a pull rod; 8. a locking device; 9. a handle; 10. a stationery storage case; 11. and a fourth square side plate.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of the feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1, the utility model provides a wireless transmission portable relay protection tester 5 includes: the device comprises a first square bottom plate 1, a first square side plate 2, a second square side plate 3, a third square side plate 4, a relay protection tester 5, a tool box 6, rollers, a pull rod 7, a locking device 8 and a handle 9.
The first square side plate 2 and the first square bottom plate 1 are the same in size, and one side of the first square side plate 2 is hinged with the left side of the first square bottom plate 1;
the second square side plate 3 is the same as the first square bottom plate 1 in size, and one side of the second square side plate 3 is hinged with the right side of the first square bottom plate 1;
the third square side plate 4 is the same as the first square bottom plate 1 in size, one side of the third square side plate 4 is hinged with the front side of the first square bottom plate 1, the first square side plate 2, the second square side plate 3, the third square side plate 4 and the side of the first square bottom plate 1 rotate upwards together to form a frame body with an open top surface and a side surface, or the first square side plate 2, the second square side plate 3, the third square side plate 4 and the first square bottom plate 1 rotate downwards to be opened all around;
the relay protection tester 5 is arranged on the inner side of the first square side plate 2 or the second square side plate 3, and the relay protection tester 5 is a relay protection tester 5 comprising a wireless module;
the tool box 6 is arranged on the inner side of the second square side plate 3 or the first square side plate 2, and the relay protection tester 5 and the tool box 6 are only arranged on one square side plate (namely the first square side plate 2 or the second square side plate 3), so that the relay protection tester 5 and the tool box 6 are accommodated in a frame formed by the first square side plate 2, the second square side plate 3, the third square side plate 4 and the first square bottom plate 1, and the relay protection tester 5 is protected; further, with the tool box 6, for the tool used at the time of the test: the mouse, the keyboard, the electric wire, the signal wire, the connecting wire and the like are stored, so that tools are prevented from being lost when the mouse is used outside; when the relay protection tester 5 is arranged on the inner side of the first square side plate 2, the tool box 6 is arranged on the inner side of the square side plate; when the tool box 6 is arranged on the inner side of the first square side plate 2, the relay protection tester 5 is arranged on the inner side of the human square side plate; in the embodiment of fig. 1, the relay protection tester 5 is arranged on the first square side plate 2, and the tool box 6 is arranged on the second square side plate 3;
at least two rollers are arranged at the bottom of the first square bottom plate 1;
the pull rod 7 is arranged in or outside the square side plate where the relay protection tester 5 is located, namely in the embodiment of fig. 1, the pull rod 7 is arranged in the first square side plate 2, and the relay protection tester 5 is the heaviest in weight of the relay protection tester 5 in the whole wireless transmission portable relay protection tester 5, so that the relay protection tester 5 can be more conveniently horizontally placed after being transported to a destination through the matching of the pull rod 7 and the pulley;
the relay protection tester 5 and the tool box 6 are respectively locked on the third square side plate 4 through at least one locking device 8, and the locking devices 8 can be uniformly arranged on the upward panel of the relay protection tester 5 or the tool box 6 after the relay protection tester 5 is folded; in the embodiment of fig. 1, two adjacent side surfaces of the relay protection tester 5 and the tool box 6 to the third square plate are locked by a locking buckle, so that the relay protection tester 5 and the tool box 6 are fixed on the third square side plate 4 by a locking device 8.
When the bottom of the wireless transmission portable relay protection tester 5 is arranged on two rollers, the rollers adopt rollers with brakes, and the two rollers are symmetrically arranged at the bottom of the first square bottom plate 1. In addition, can also establish to two gyro wheels and two support columns in the bottom when wireless transmission portable relay protection tester 5, two gyro wheels and two support columns are the four corners of symmetry setting in the bottom of first square bottom plate 1, and two gyro wheels are adjacent, and two support columns are adjacent, and the gyro wheel can adopt ordinary gyro wheel. The bottom of wireless transmission portable relay protection tester 5 can also set up three gyro wheel, and three gyro wheel is triangle-shaped setting, and wherein two gyro wheels form a straight line and are parallel with the preceding side of first square bottom plate 1, and are close to the preceding side of first square curb plate 2, and two gyro wheels that form a straight line and be parallel with the preceding side of first square bottom plate 1 are the gyro wheel of area brake. The bottom of wireless transmission portable relay protection tester 5 can also set up four gyro wheels, and then the setting of four gyro wheel symmetries is in the bottom four corners of first square bottom plate 1, and two gyro wheels that are closest to the handle are the gyro wheel of area brake, certainly, can all gyro wheels be the gyro wheel of area brake, can set up the number of bottom gyro wheel and whether the gyro wheel has other functions etc. as required.
Wherein the tool box 6 is a vertical drawer type tool box 6 or a horizontal drawer type tool. As in the embodiment of FIG. 1, when a vertical drawer tool chest 6 is used, the drawer opening is to one side of the third square side panel 4.
The locking device 8 adopts a lock hasp.
With continued reference to fig. 1, the control panel of the relay protection tester 5 is disposed on the side facing the third square side plate 4. The relay protection tester 5 is protected by the third square side plate 4 after the first square side plate 2 or the second square side surface rotates upwards.
Wherein, the supporting structure is one of a supporting plate, a supporting column or an I-shaped plate. The figure 1 embodiment employs support posts.
As shown in fig. 1, a stationery storage box 10 is disposed on the inner side of the first square bottom plate 1, the stationery storage box is flat and is used for storing stationery such as paper, pens and the like, when a user forgets to carry the paper while going out, the user can directly take the pen and the paper by the wireless transmission portable relay protection tester 5 to record and calculate data. Correspondingly, gaps are reserved on one sides, close to the first square bottom plate 1, of the relay protection tester 5 and one side, close to the first square bottom plate 6, of the tool box 6, and the gaps are used for enabling the relay protection tester 5 and the tool box 6 to rotate inwards and then to be clamped above the file storage box after the inwards rotation.
In one embodiment, the handle 9 comprises: the portable lock comprises two lock fasteners and a portable piece, wherein the two lock fasteners are arranged in a separated mode, and two ends of the portable piece are detachably connected with the two lock fasteners; the two locking fasteners are respectively arranged on the relay protection tester 5 and the tool box 6; the handle 9 comprises a sleeve and two bearing parts, one ends of the two bearing parts are mutually connected in the sleeve through springs, and the other ends of the two bearing parts are respectively detachably connected with the locking part; one end that bearing piece and snap close piece are connected can be for the wedge to detain, the shrink groove has been seted up to the free end that the wedge was detained, the shrink groove is detained the wedge and is divided into two parts, two parts wedge is detained and all is connected with pull rod 7 in the shrink groove, pull rod 7 runs through the wedge and detains, the one end that pull rod 7 is located the shrink groove outside is provided with the pull ring, when external force pulling pull ring, two parts wedge is detained and is drawn in, the pulling force that the spring that is located the cover pipe was applyed the bearing piece makes the wedge detain break away from in the snap close piece. The detachable handle 9 can be easily snapped into and out of the snap-lock.
In addition, the lock catch piece can adopt eye-splice and eye-splice box, and the eye-splice is connected with portable machine, and the eye-splice box is fixed on toolbox 6 or relay protection tester 5, like the braces structure that the schoolbag can be dismantled, can also be through the handle 9 of other structures, can realize that handle 9 can be dismantled, can be stable mention portable relay protection instrument of wireless transmission can.
Right the utility model discloses wireless transmission portable relay protection tester 5's operation method carries out the detailed description to make technical personnel in the field more understand the utility model discloses:
in the storage state, the wireless transmission portable relay protection tester 5 is in a cuboid structure, namely the locking device 8 enables the relay protection tester 5 to drive the first square side plate 2 and the tool box 6 to drive the second square side plate to be fixed with the third square side plate 4 through the locking device 8; when the tool box goes to a test place, the carrying of workers can be reduced by pulling the pull rod 7, meanwhile, relatively more test tools can be stored in the tool box 6, the labor capacity of the workers is reduced, and the tool box is more convenient to go out compared with a worker using a tool bag; after arriving the test site, fall down along pull rod 7 one side, relay protection tester 5 can the level place, through dismantling one side and all lock hasps of handle 9, outwards open toolbox 6 drives second square curb plate 3 and square bottom plate, opens third square curb plate 4 like outer rotation, through finding the testing tool that needs to use in the toolbox 6 test can, when needs record data, can take away paper record etc. through the file case.
In addition, a solar cell panel can be arranged on the top of the relay protection tester 5 (which is the top of the relay protection tester 5 in the state of the embodiment in fig. 1), the inner side of the third square side plate 4, the top of the stationery storage box 10 (or the stationery storage box 10 is replaced by the solar cell panel), and the top of the tool box 6 (which is the top of the tool box 6 in the state of the embodiment in fig. 1), and accordingly, the first square bottom plate 1 can leave a corresponding space without preventing the relay protection tester 5, the tool box 6 and the third square side plate 4 from rotating and being accommodated to form a cuboid; solar cell panel's connecting wire setting is at solar cell panel's side, corresponding relay protection tester 5 is equipped with corresponding through-hole and makes the connecting wire get into in the relay protection tester 5, and seal fixedly through sealed glue this line, dustproof and waterproof carries out, all solar cell panels all are connected with solar control ware electricity, solar control ware is connected with the battery, furthermore, solar control ware still supplies power with relay protection's switching power supply circuit connection, solar control ware and battery setting are in relay protection tester 5.
As shown in the embodiment of fig. 2, the wireless transmission portable relay protection tester 5 further includes a fourth square side plate, the fourth square side plate has the same size as the first square bottom plate 1, one side of the fourth square side plate is hinged to the first square bottom plate 1, so that a square frame with an open top is formed by the first square bottom plate 1, the first square side plate 2, the second square side plate 3, the third square side plate 4 and the fourth square side plate, and the relay protection tester 5 and the tool box 6 are just accommodated in the square frame; thereby make whole wireless transmission portable relay protection tester 5 more stable, can the energy saving through solar cell panel, can also save data through wireless transmission module moreover, it is more convenient.
When the wireless transmission portable relay protection tester 5 comprises a fourth square side plate, two corresponding locking devices 8 can be adopted, the two locking devices 8 are respectively a first locking device 8 and a second locking device 8, when one end of the first locking device 8 is connected with the relay protection tester 5, the other end of the first locking device 8 is connected with the other side of the fourth square side plate, and the relay protection tester 5 is locked with the fourth square side plate through the first locking device 8; one end of a second locking device 8 is connected with the tool box 6, the other end of the second locking device 8 is connected with the other side of the third square side plate 4, and the tool box 6 is locked with the third square side plate 4 through the second locking device 8, so that the first square side plate 2, the second square side plate 3, the third square side plate 4 and the fourth square side plate rotate around the side of the first square bottom plate 1 to form a square structure with an open top; as shown in fig. 1, four locking devices 8 are adopted, that is, the third square side plate 4 fixes the tool box 6 and the relay protection tester 5 through one locking device 8, the fourth square side plate fixes the tool box 6 and the relay protection tester 5 through one locking device 8, and the four locking devices 8 are all arranged on the same plane as the handle 9. Drive and drive toolbox 6 and portable relay protection tester 5 with second square curb plate 3 through first square, make toolbox 6 and portable relay protection tester 5 leave in the square structure to protect relay protection tester 5, and through gyro wheel, handle, stay cord, make whole portable relay protection tester 5 of wireless transmission more portable. Wireless transmission portable relay protection tester 5 still includes bearing structure, and bearing structure sets up in the outside of first square curb plate 2, second square curb plate 3 or, third square curb plate 4 or fourth square curb plate. For example, the outer sides of the first square side plate 2, the second square side plate 3, the third square side plate 4 or the fourth square side plate are all provided with a support structure, or the outer sides of the first square side plate 2, the second square side plate 3 and the third square side plate 4 are all provided with a support structure, or the outer sides of the first square side plate 2, the second square side plate 3 and the fourth square side plate are all provided with a support structure, or the outer sides of the first square side plate 2 and the second square side plate 3 are provided with a support structure, or the outer sides of the third square side plate 4 and the fourth square side plate are provided with a support structure, or the outer side of the fourth square side plate is provided with a support structure, or the outer side of the first square side plate 2 is provided with a support structure, etc., can be set as required.
The above disclosure is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or modifications within the technical scope of the present invention, and all should be covered by the scope of the present invention.
Claims (8)
1. Wireless transmission portable relay protection tester, its characterized in that includes:
a first square base plate;
the first square side plate is the same as the first square bottom plate in size, and one side of the first square side plate is rotatably connected with the left side of the first square bottom plate;
the second square side plate is the same as the first square bottom plate in size, and one side of the second square side plate is rotatably connected with the right side of the first square bottom plate;
the third square side plate has the same size as the first square bottom plate, one side of the third square side plate is rotatably connected with the front side edge of the first square bottom plate, and the first square side plate, the second square side plate, the third square side plate and the side edge of the first square bottom plate are rotated upwards together to form a frame body with an open top surface and a side surface or rotated downwards to be opened at the periphery;
the relay protection tester is arranged on the inner side of the first square side plate or the second square side plate and comprises a wireless module;
the tool box is arranged on the inner side of the second square side plate or the inner side of the first square side plate, and the relay protection tester and the tool box are only arranged on one square side plate, so that the relay protection tester and the tool box are contained in a frame formed by the first square side plate, the second square side plate, the third square side plate and the first square bottom plate;
at least two rollers are arranged at the bottom of the first square bottom plate;
the pull rod is arranged in or outside the square side plate where the relay protection tester is located;
the relay protection tester and the tool box are respectively locked on the third square side plate through at least one locking device; and
the handle, its handle that can dismantle, the one end of handle with the relay protection tester to the top of first square bottom plate is rotated the back, is located the side at top and is connected with the mode that can dismantle, the other end and the toolbox of handle to the top of first square bottom plate is rotated the back, is located the side at top and is connected with the mode that can dismantle.
2. The wireless transmission portable relay protection tester according to claim 1, wherein the tool box is a vertical drawer type tool box or a horizontal drawer type tool.
3. The wireless transmission portable relay protection tester according to claim 1, wherein the control panel of the relay protection tester is disposed on a side facing the third square side plate.
4. The portable relay protection tester for wireless transmission according to claim 1, further comprising a fourth square side plate, wherein the fourth square side plate has the same size as the first square bottom plate, and one side of the fourth square side plate is rotatably connected to the first square bottom plate.
5. The wireless transmission portable relay protection tester of claim 1, further comprising a support structure disposed outside the first, second, or third square side plate.
6. The portable relay protection tester with wireless transmission according to claim 1, wherein a stationery case is disposed inside the first square bottom plate.
7. The portable relay protection tester of claim 5, wherein the support structure is one of a support plate, a support column or an "I" shaped plate.
8. The wireless transmission portable relay protection tester according to claim 1, wherein the locking device is a lock hasp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120205773.9U CN215005649U (en) | 2021-01-26 | 2021-01-26 | Portable relay protection tester of wireless transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120205773.9U CN215005649U (en) | 2021-01-26 | 2021-01-26 | Portable relay protection tester of wireless transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215005649U true CN215005649U (en) | 2021-12-03 |
Family
ID=79144348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120205773.9U Active CN215005649U (en) | 2021-01-26 | 2021-01-26 | Portable relay protection tester of wireless transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215005649U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114811319A (en) * | 2022-05-12 | 2022-07-29 | 国网甘肃省电力公司定西供电公司 | Single-phase earth fault traveling wave measuring device of distribution network |
-
2021
- 2021-01-26 CN CN202120205773.9U patent/CN215005649U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114811319A (en) * | 2022-05-12 | 2022-07-29 | 国网甘肃省电力公司定西供电公司 | Single-phase earth fault traveling wave measuring device of distribution network |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215005649U (en) | Portable relay protection tester of wireless transmission | |
| CN201515253U (en) | Portable solar power supply device | |
| CN206227873U (en) | A kind of Large Copacity portable bridge non-destructive detecting device case | |
| CN208978900U (en) | A kind of portable instrument of surveying and mapping trolley | |
| CN204947637U (en) | Solar mobile power box | |
| CN206773069U (en) | A kind of new harmonic on-Line Monitor Device | |
| CN206840036U (en) | A kind of solar portable formula open air geology case | |
| CN210747765U (en) | Drawing tool special for city planning | |
| CN213307948U (en) | Portable work travelling basket of collection wind energy solar energy electric power storage | |
| CN214016366U (en) | Engineering cost is with multi-functional budget case of portable | |
| CN204332167U (en) | A kind of English information display plate | |
| CN210137898U (en) | Draw-bar box with side door capable of being freely layered | |
| CN106710394A (en) | Portable Internet of Things simulation power station | |
| KR20140046548A (en) | Portable solar power supply apparatus | |
| CN206880301U (en) | The convenient appraisal of real estate kit of one kind office | |
| CN203352486U (en) | Portable photovoltaic system | |
| CN206147371U (en) | 21. 5 very little information query integrated machine | |
| CN215646957U (en) | Economic management information input device | |
| CN215679180U (en) | Big data visualization device | |
| CN208664645U (en) | A kind of portable printing equipment suitable for healthy ring | |
| CN213291864U (en) | Landscape design is with portable hand drawing toolbox | |
| CN211992903U (en) | Fan bearing box maintenance device | |
| CN210295647U (en) | Magnetic Chinese map jigsaw | |
| CN211732467U (en) | Environmental protection detecting instrument accessory receiver | |
| CN214016507U (en) | Portable environment design work frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |